Answer:
y=5x+2
Step-by-step explanation:
Slope formula:
y=mx+b
- m stands for slope
- b stands for y intercept.
Plug the information in:
y=5x+2
<span>rotated 90° about the origin
(x,y) = (-y, x)
so </span><span>(5, -2) is rotated 90° about the origin = (2, 5)
answer
</span><span>b.(2, 5)</span>
1% of 120 is 1.2, so 7 *1.2 = 8.4
Also you could set up the proportion 7/100 = x/120 and solve for x.
Answer:
a) (-2,2), (-1,-1), (1,-1), (3,7)
b) x=1.4
If he has $75 and need $93 to make the purchase, he needs to find the difference between what he needs and what he has:
93 - 75 = 18
He needs to borrow $18 to make the purchase.
